diff options
author | The Android Open Source Project <initial-contribution@android.com> | 2009-03-03 18:28:13 -0800 |
---|---|---|
committer | The Android Open Source Project <initial-contribution@android.com> | 2009-03-03 18:28:13 -0800 |
commit | 1767f908af327fa388b1c66883760ad851267013 (patch) | |
tree | 4b825dc642cb6eb9a060e54bf8d69288fbee4904 /libm/include | |
parent | a799b53f10e5a6fd51fef4436cfb7ec99836a516 (diff) | |
download | bionic-1767f908af327fa388b1c66883760ad851267013.zip bionic-1767f908af327fa388b1c66883760ad851267013.tar.gz bionic-1767f908af327fa388b1c66883760ad851267013.tar.bz2 |
auto import from //depot/cupcake/@135843
Diffstat (limited to 'libm/include')
-rw-r--r-- | libm/include/alpha/fenv.h | 185 | ||||
-rw-r--r-- | libm/include/amd64/fenv.h | 203 | ||||
-rw-r--r-- | libm/include/arm/fenv.h | 217 | ||||
-rw-r--r-- | libm/include/i387/fenv.h | 240 | ||||
-rw-r--r-- | libm/include/ia64/fenv.h | 242 | ||||
-rw-r--r-- | libm/include/math.h | 486 | ||||
-rw-r--r-- | libm/include/powerpc/fenv.h | 263 | ||||
-rw-r--r-- | libm/include/sparc64/fenv.h | 254 |
8 files changed, 0 insertions, 2090 deletions
diff --git a/libm/include/alpha/fenv.h b/libm/include/alpha/fenv.h deleted file mode 100644 index dc7bcb7..0000000 --- a/libm/include/alpha/fenv.h +++ /dev/null @@ -1,185 +0,0 @@ -/*- - * Copyright (c) 2004-2005 David Schultz <das@FreeBSD.ORG> - * All rights reserved. - * - * Redistribution and use in source and binary forms, with or without - * modification, are permitted provided that the following conditions - * are met: - * 1. Redistributions of source code must retain the above copyright - * notice, this list of conditions and the following disclaimer. - * 2. Redistributions in binary form must reproduce the above copyright - * notice, this list of conditions and the following disclaimer in the - * documentation and/or other materials provided with the distribution. - * - * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND - * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE - * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE - * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE - * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL - * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS - * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) - * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT - * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY - * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF - * SUCH DAMAGE. - * - * $FreeBSD: src/lib/msun/alpha/fenv.h,v 1.3 2005/03/16 19:03:44 das Exp $ - */ - -#ifndef _FENV_H_ -#define _FENV_H_ - -#include <sys/_types.h> - -typedef __uint64_t fenv_t; -typedef __uint16_t fexcept_t; - -/* Exception flags */ -#define FE_INVALID 0x02 -#define FE_DIVBYZERO 0x04 -#define FE_OVERFLOW 0x08 -#define FE_UNDERFLOW 0x10 -#define FE_INEXACT 0x20 -#define FE_INTOVF 0x40 /* not maskable */ -#define FE_ALL_EXCEPT (FE_DIVBYZERO | FE_INEXACT | FE_INTOVF | \ - FE_INVALID | FE_OVERFLOW | FE_UNDERFLOW) - -/* Rounding modes */ -#define FE_TOWARDZERO 0x00 -#define FE_DOWNWARD 0x01 -#define FE_TONEAREST 0x02 -#define FE_UPWARD 0x03 -#define _ROUND_MASK (FE_TONEAREST | FE_DOWNWARD | \ - FE_UPWARD | FE_TOWARDZERO) -#define _ROUND_SHIFT 58 - -#define _FPUSW_SHIFT 51 - -#define __excb() __asm __volatile("excb") -#define __mf_fpcr(__cw) __asm __volatile("mf_fpcr %0" : "=f" (*(__cw))) -#define __mt_fpcr(__cw) __asm __volatile("mt_fpcr %0" : : "f" (__cw)) - -union __fpcr { - double __d; - fenv_t __bits; -}; - -__BEGIN_DECLS - -/* Default floating-point environment */ -extern const fenv_t __fe_dfl_env; -#define FE_DFL_ENV (&__fe_dfl_env) - -static __inline int -feclearexcept(int __excepts) -{ - union __fpcr __r; - - __excb(); - __mf_fpcr(&__r.__d); - __r.__bits &= ~((fenv_t)__excepts << _FPUSW_SHIFT); - __mt_fpcr(__r.__d); - __excb(); - return (0); -} - -static __inline int -fegetexceptflag(fexcept_t *__flagp, int __excepts) -{ - union __fpcr __r; - - __excb(); - __mf_fpcr(&__r.__d); - __excb(); - *__flagp = (__r.__bits >> _FPUSW_SHIFT) & __excepts; - return (0); -} - -static __inline int -fesetexceptflag(const fexcept_t *__flagp, int __excepts) -{ - union __fpcr __r; - fenv_t __xflag, __xexcepts; - - __xflag = (fenv_t)*__flagp << _FPUSW_SHIFT; - __xexcepts = (fenv_t)__excepts << _FPUSW_SHIFT; - __excb(); - __mf_fpcr(&__r.__d); - __r.__bits &= ~__xexcepts; - __r.__bits |= __xflag & __xexcepts; - __mt_fpcr(__r.__d); - __excb(); - return (0); -} - -static __inline int -feraiseexcept(int __excepts) -{ - - /* - * XXX Generating exceptions this way does not actually invoke - * a userland trap handler when enabled, but neither do - * arithmetic operations as far as I can tell. Perhaps there - * are more bugs in the kernel trap handler. - */ - fexcept_t __ex = __excepts; - fesetexceptflag(&__ex, __excepts); - return (0); -} - -static __inline int -fetestexcept(int __excepts) -{ - union __fpcr __r; - - __excb(); - __mf_fpcr(&__r.__d); - __excb(); - return ((__r.__bits >> _FPUSW_SHIFT) & __excepts); -} - -static __inline int -fegetround(void) -{ - union __fpcr __r; - - /* - * No exception barriers should be required here if we assume - * that only fesetround() can change the rounding mode. - */ - __mf_fpcr(&__r.__d); - return ((int)(__r.__bits >> _ROUND_SHIFT) & _ROUND_MASK); -} - -static __inline int -fesetround(int __round) -{ - union __fpcr __r; - - if (__round & ~_ROUND_MASK) - return (-1); - __excb(); - __mf_fpcr(&__r.__d); - __r.__bits &= ~((fenv_t)_ROUND_MASK << _ROUND_SHIFT); - __r.__bits |= (fenv_t)__round << _ROUND_SHIFT; - __mt_fpcr(__r.__d); - __excb(); - return (0); -} - -int fegetenv(fenv_t *__envp); -int feholdexcept(fenv_t *__envp); -int fesetenv(const fenv_t *__envp); -int feupdateenv(const fenv_t *__envp); - -#if __BSD_VISIBLE - -int feenableexcept(int __mask); -int fedisableexcept(int __mask); -int fegetexcept(void); - -#endif /* __BSD_VISIBLE */ - -__END_DECLS - -#endif /* !_FENV_H_ */ diff --git a/libm/include/amd64/fenv.h b/libm/include/amd64/fenv.h deleted file mode 100644 index c4f9432..0000000 --- a/libm/include/amd64/fenv.h +++ /dev/null @@ -1,203 +0,0 @@ -/*- - * Copyright (c) 2004-2005 David Schultz <das@FreeBSD.ORG> - * All rights reserved. - * - * Redistribution and use in source and binary forms, with or without - * modification, are permitted provided that the following conditions - * are met: - * 1. Redistributions of source code must retain the above copyright - * notice, this list of conditions and the following disclaimer. - * 2. Redistributions in binary form must reproduce the above copyright - * notice, this list of conditions and the following disclaimer in the - * documentation and/or other materials provided with the distribution. - * - * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND - * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE - * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE - * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE - * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL - * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS - * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) - * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT - * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY - * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF - * SUCH DAMAGE. - * - * $FreeBSD: src/lib/msun/amd64/fenv.h,v 1.5 2005/03/16 22:34:14 das Exp $ - */ - -#ifndef _FENV_H_ -#define _FENV_H_ - -#include <sys/cdefs.h> -#include <sys/_types.h> - -typedef struct { - struct { - __uint32_t __control; - __uint32_t __status; - __uint32_t __tag; - char __other[16]; - } __x87; - __uint32_t __mxcsr; -} fenv_t; - -typedef __uint16_t fexcept_t; - -/* Exception flags */ -#define FE_INVALID 0x01 -#define FE_DENORMAL 0x02 -#define FE_DIVBYZERO 0x04 -#define FE_OVERFLOW 0x08 -#define FE_UNDERFLOW 0x10 -#define FE_INEXACT 0x20 -#define FE_ALL_EXCEPT (FE_DIVBYZERO | FE_DENORMAL | FE_INEXACT | \ - FE_INVALID | FE_OVERFLOW | FE_UNDERFLOW) - -/* Rounding modes */ -#define FE_TONEAREST 0x0000 -#define FE_DOWNWARD 0x0400 -#define FE_UPWARD 0x0800 -#define FE_TOWARDZERO 0x0c00 -#define _ROUND_MASK (FE_TONEAREST | FE_DOWNWARD | \ - FE_UPWARD | FE_TOWARDZERO) - -/* - * As compared to the x87 control word, the SSE unit's control word - * has the rounding control bits offset by 3 and the exception mask - * bits offset by 7. - */ -#define _SSE_ROUND_SHIFT 3 -#define _SSE_EMASK_SHIFT 7 - -__BEGIN_DECLS - -/* Default floating-point environment */ -extern const fenv_t __fe_dfl_env; -#define FE_DFL_ENV (&__fe_dfl_env) - -#define __fldcw(__cw) __asm __volatile("fldcw %0" : : "m" (__cw)) -#define __fldenv(__env) __asm __volatile("fldenv %0" : : "m" (__env)) -#define __fnclex() __asm __volatile("fnclex") -#define __fnstenv(__env) __asm __volatile("fnstenv %0" : "=m" (*(__env))) -#define __fnstcw(__cw) __asm __volatile("fnstcw %0" : "=m" (*(__cw))) -#define __fnstsw(__sw) __asm __volatile("fnstsw %0" : "=am" (*(__sw))) -#define __fwait() __asm __volatile("fwait") -#define __ldmxcsr(__csr) __asm __volatile("ldmxcsr %0" : : "m" (__csr)) -#define __stmxcsr(__csr) __asm __volatile("stmxcsr %0" : "=m" (*(__csr))) - -static __inline int -feclearexcept(int __excepts) -{ - fenv_t __env; - - if (__excepts == FE_ALL_EXCEPT) { - __fnclex(); - } else { - __fnstenv(&__env.__x87); - __env.__x87.__status &= ~__excepts; - __fldenv(__env.__x87); - } - __stmxcsr(&__env.__mxcsr); - __env.__mxcsr &= ~__excepts; - __ldmxcsr(__env.__mxcsr); - return (0); -} - -static __inline int -fegetexceptflag(fexcept_t *__flagp, int __excepts) -{ - int __mxcsr, __status; - - __stmxcsr(&__mxcsr); - __fnstsw(&__status); - *__flagp = (__mxcsr | __status) & __excepts; - return (0); -} - -int fesetexceptflag(const fexcept_t *__flagp, int __excepts); -int feraiseexcept(int __excepts); - -static __inline int -fetestexcept(int __excepts) -{ - int __mxcsr, __status; - - __stmxcsr(&__mxcsr); - __fnstsw(&__status); - return ((__status | __mxcsr) & __excepts); -} - -static __inline int -fegetround(void) -{ - int __control; - - /* - * We assume that the x87 and the SSE unit agree on the - * rounding mode. Reading the control word on the x87 turns - * out to be about 5 times faster than reading it on the SSE - * unit on an Opteron 244. - */ - __fnstcw(&__control); - return (__control & _ROUND_MASK); -} - -static __inline int -fesetround(int __round) -{ - int __mxcsr, __control; - - if (__round & ~_ROUND_MASK) - return (-1); - - __fnstcw(&__control); - __control &= ~_ROUND_MASK; - __control |= __round; - __fldcw(__control); - - __stmxcsr(&__mxcsr); - __mxcsr &= ~(_ROUND_MASK << _SSE_ROUND_SHIFT); - __mxcsr |= __round << _SSE_ROUND_SHIFT; - __ldmxcsr(__mxcsr); - - return (0); -} - -int fegetenv(fenv_t *__envp); -int feholdexcept(fenv_t *__envp); - -static __inline int -fesetenv(const fenv_t *__envp) -{ - - __fldenv(__envp->__x87); - __ldmxcsr(__envp->__mxcsr); - return (0); -} - -int feupdateenv(const fenv_t *__envp); - -#if __BSD_VISIBLE - -int feenableexcept(int __mask); -int fedisableexcept(int __mask); - -static __inline int -fegetexcept(void) -{ - int __control; - - /* - * We assume that the masks for the x87 and the SSE unit are - * the same. - */ - __fnstcw(&__control); - return (~__control & FE_ALL_EXCEPT); -} - -#endif /* __BSD_VISIBLE */ - -__END_DECLS - -#endif /* !_FENV_H_ */ diff --git a/libm/include/arm/fenv.h b/libm/include/arm/fenv.h deleted file mode 100644 index e7a8860..0000000 --- a/libm/include/arm/fenv.h +++ /dev/null @@ -1,217 +0,0 @@ -/*- - * Copyright (c) 2004-2005 David Schultz <das@FreeBSD.ORG> - * All rights reserved. - * - * Redistribution and use in source and binary forms, with or without - * modification, are permitted provided that the following conditions - * are met: - * 1. Redistributions of source code must retain the above copyright - * notice, this list of conditions and the following disclaimer. - * 2. Redistributions in binary form must reproduce the above copyright - * notice, this list of conditions and the following disclaimer in the - * documentation and/or other materials provided with the distribution. - * - * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND - * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE - * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE - * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE - * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL - * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS - * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) - * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT - * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY - * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF - * SUCH DAMAGE. - * - * $FreeBSD: src/lib/msun/arm/fenv.h,v 1.5 2005/03/16 19:03:45 das Exp $ - */ - -#ifndef _FENV_H_ -#define _FENV_H_ - -#include <sys/_types.h> - -typedef __uint32_t fenv_t; -typedef __uint32_t fexcept_t; - -/* Exception flags */ -#define FE_INVALID 0x0001 -#define FE_DIVBYZERO 0x0002 -#define FE_OVERFLOW 0x0004 -#define FE_UNDERFLOW 0x0008 -#define FE_INEXACT 0x0010 -#define FE_ALL_EXCEPT (FE_DIVBYZERO | FE_INEXACT | \ - FE_INVALID | FE_OVERFLOW | FE_UNDERFLOW) - -/* Rounding modes */ -#define FE_TONEAREST 0x0000 -#define FE_TOWARDZERO 0x0001 -#define FE_UPWARD 0x0002 -#define FE_DOWNWARD 0x0003 -#define _ROUND_MASK (FE_TONEAREST | FE_DOWNWARD | \ - FE_UPWARD | FE_TOWARDZERO) -__BEGIN_DECLS - -/* Default floating-point environment */ -extern const fenv_t __fe_dfl_env; -#define FE_DFL_ENV (&__fe_dfl_env) - -/* We need to be able to map status flag positions to mask flag positions */ -#define _FPUSW_SHIFT 16 -#define _ENABLE_MASK (FE_ALL_EXCEPT << _FPUSW_SHIFT) - -#ifdef ARM_HARD_FLOAT -#define __rfs(__fpsr) __asm __volatile("rfs %0" : "=r" (*(__fpsr))) -#define __wfs(__fpsr) __asm __volatile("wfs %0" : : "r" (__fpsr)) -#else -#define __rfs(__fpsr) -#define __wfs(__fpsr) -#endif - -static __inline int -feclearexcept(int __excepts) -{ - fexcept_t __fpsr; - - __rfs(&__fpsr); - __fpsr &= ~__excepts; - __wfs(__fpsr); - return (0); -} - -static __inline int -fegetexceptflag(fexcept_t *__flagp, int __excepts) -{ - fexcept_t __fpsr; - - __rfs(&__fpsr); - *__flagp = __fpsr & __excepts; - return (0); -} - -static __inline int -fesetexceptflag(const fexcept_t *__flagp, int __excepts) -{ - fexcept_t __fpsr; - - __rfs(&__fpsr); - __fpsr &= ~__excepts; - __fpsr |= *__flagp & __excepts; - __wfs(__fpsr); - return (0); -} - -static __inline int -feraiseexcept(int __excepts) -{ - fexcept_t __ex = __excepts; - - fesetexceptflag(&__ex, __excepts); /* XXX */ - return (0); -} - -static __inline int -fetestexcept(int __excepts) -{ - fexcept_t __fpsr; - - __rfs(&__fpsr); - return (__fpsr & __excepts); -} - -static __inline int -fegetround(void) -{ - - /* - * Apparently, the rounding mode is specified as part of the - * instruction format on ARM, so the dynamic rounding mode is - * indeterminate. Some FPUs may differ. - */ - return (-1); -} - -static __inline int -fesetround(int __round) -{ - - return (-1); -} - -static __inline int -fegetenv(fenv_t *__envp) -{ - - __rfs(__envp); - return (0); -} - -static __inline int -feholdexcept(fenv_t *__envp) -{ - fenv_t __env; - - __rfs(&__env); - *__envp = __env; - __env &= ~(FE_ALL_EXCEPT | _ENABLE_MASK); - __wfs(__env); - return (0); -} - -static __inline int -fesetenv(const fenv_t *__envp) -{ - - __wfs(*__envp); - return (0); -} - -static __inline int -feupdateenv(const fenv_t *__envp) -{ - fexcept_t __fpsr; - - __rfs(&__fpsr); - __wfs(*__envp); - feraiseexcept(__fpsr & FE_ALL_EXCEPT); - return (0); -} - -#if __BSD_VISIBLE - -static __inline int -feenableexcept(int __mask) -{ - fenv_t __old_fpsr, __new_fpsr; - - __rfs(&__old_fpsr); - __new_fpsr = __old_fpsr | (__mask & FE_ALL_EXCEPT) << _FPUSW_SHIFT; - __wfs(__new_fpsr); - return ((__old_fpsr >> _FPUSW_SHIFT) & FE_ALL_EXCEPT); -} - -static __inline int -fedisableexcept(int __mask) -{ - fenv_t __old_fpsr, __new_fpsr; - - __rfs(&__old_fpsr); - __new_fpsr = __old_fpsr & ~((__mask & FE_ALL_EXCEPT) << _FPUSW_SHIFT); - __wfs(__new_fpsr); - return ((__old_fpsr >> _FPUSW_SHIFT) & FE_ALL_EXCEPT); -} - -static __inline int -fegetexcept(void) -{ - fenv_t __fpsr; - - __rfs(&__fpsr); - return ((__fpsr & _ENABLE_MASK) >> _FPUSW_SHIFT); -} - -#endif /* __BSD_VISIBLE */ - -__END_DECLS - -#endif /* !_FENV_H_ */ diff --git a/libm/include/i387/fenv.h b/libm/include/i387/fenv.h deleted file mode 100644 index b124366..0000000 --- a/libm/include/i387/fenv.h +++ /dev/null @@ -1,240 +0,0 @@ -/*- - * Copyright (c) 2004-2005 David Schultz <das@FreeBSD.ORG> - * All rights reserved. - * - * Redistribution and use in source and binary forms, with or without - * modification, are permitted provided that the following conditions - * are met: - * 1. Redistributions of source code must retain the above copyright - * notice, this list of conditions and the following disclaimer. - * 2. Redistributions in binary form must reproduce the above copyright - * notice, this list of conditions and the following disclaimer in the - * documentation and/or other materials provided with the distribution. - * - * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND - * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE - * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE - * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE - * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL - * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS - * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) - * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT - * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY - * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF - * SUCH DAMAGE. - * - * $FreeBSD: src/lib/msun/i387/fenv.h,v 1.4 2005/03/17 22:21:46 das Exp $ - */ - -#ifndef _FENV_H_ -#define _FENV_H_ - -#include <sys/cdefs.h> -#include <sys/_types.h> - -/* - * To preserve binary compatibility with FreeBSD 5.3, we pack the - * mxcsr into some reserved fields, rather than changing sizeof(fenv_t). - */ -typedef struct { - __uint16_t __control; - __uint16_t __mxcsr_hi; - __uint16_t __status; - __uint16_t __mxcsr_lo; - __uint32_t __tag; - char __other[16]; -} fenv_t; - -#define __get_mxcsr(env) (((env).__mxcsr_hi << 16) | \ - ((env).__mxcsr_lo)) -#define __set_mxcsr(env, x) do { \ - (env).__mxcsr_hi = (__uint32_t)(x) >> 16; \ - (env).__mxcsr_lo = (__uint16_t)(x); \ -} while (0) - -typedef __uint16_t fexcept_t; - -/* Exception flags */ -#define FE_INVALID 0x01 -#define FE_DENORMAL 0x02 -#define FE_DIVBYZERO 0x04 -#define FE_OVERFLOW 0x08 -#define FE_UNDERFLOW 0x10 -#define FE_INEXACT 0x20 -#define FE_ALL_EXCEPT (FE_DIVBYZERO | FE_DENORMAL | FE_INEXACT | \ - FE_INVALID | FE_OVERFLOW | FE_UNDERFLOW) - -/* Rounding modes */ -#define FE_TONEAREST 0x0000 -#define FE_DOWNWARD 0x0400 -#define FE_UPWARD 0x0800 -#define FE_TOWARDZERO 0x0c00 -#define _ROUND_MASK (FE_TONEAREST | FE_DOWNWARD | \ - FE_UPWARD | FE_TOWARDZERO) - -/* - * As compared to the x87 control word, the SSE unit's control word - * has the rounding control bits offset by 3 and the exception mask - * bits offset by 7. - */ -#define _SSE_ROUND_SHIFT 3 -#define _SSE_EMASK_SHIFT 7 - -/* After testing for SSE support once, we cache the result in __has_sse. */ -enum __sse_support { __SSE_YES, __SSE_NO, __SSE_UNK }; -extern enum __sse_support __has_sse; -int __test_sse(void); -#ifdef __SSE__ -#define __HAS_SSE() 1 -#else -#define __HAS_SSE() (__has_sse == __SSE_YES || \ - (__has_sse == __SSE_UNK && __test_sse())) -#endif - -__BEGIN_DECLS - -/* Default floating-point environment */ -extern const fenv_t __fe_dfl_env; -#define FE_DFL_ENV (&__fe_dfl_env) - -#define __fldcw(__cw) __asm __volatile("fldcw %0" : : "m" (__cw)) -#define __fldenv(__env) __asm __volatile("fldenv %0" : : "m" (__env)) -#define __fnclex() __asm __volatile("fnclex") -#define __fnstenv(__env) __asm __volatile("fnstenv %0" : "=m" (*(__env))) -#define __fnstcw(__cw) __asm __volatile("fnstcw %0" : "=m" (*(__cw))) -#define __fnstsw(__sw) __asm __volatile("fnstsw %0" : "=am" (*(__sw))) -#define __fwait() __asm __volatile("fwait") -#define __ldmxcsr(__csr) __asm __volatile("ldmxcsr %0" : : "m" (__csr)) -#define __stmxcsr(__csr) __asm __volatile("stmxcsr %0" : "=m" (*(__csr))) - -static __inline int -feclearexcept(int __excepts) -{ - fenv_t __env; - int __mxcsr; - - if (__excepts == FE_ALL_EXCEPT) { - __fnclex(); - } else { - __fnstenv(&__env); - __env.__status &= ~__excepts; - __fldenv(__env); - } - if (__HAS_SSE()) { - __stmxcsr(&__mxcsr); - __mxcsr &= ~__excepts; - __ldmxcsr(__mxcsr); - } - return (0); -} - -static __inline int -fegetexceptflag(fexcept_t *__flagp, int __excepts) -{ - int __mxcsr, __status; - - __fnstsw(&__status); - if (__HAS_SSE()) - __stmxcsr(&__mxcsr); - else - __mxcsr = 0; - *__flagp = (__mxcsr | __status) & __excepts; - return (0); -} - -int fesetexceptflag(const fexcept_t *__flagp, int __excepts); -int feraiseexcept(int __excepts); - -static __inline int -fetestexcept(int __excepts) -{ - int __mxcsr, __status; - - __fnstsw(&__status); - if (__HAS_SSE()) - __stmxcsr(&__mxcsr); - else - __mxcsr = 0; - return ((__status | __mxcsr) & __excepts); -} - -static __inline int -fegetround(void) -{ - int __control; - - /* - * We assume that the x87 and the SSE unit agree on the - * rounding mode. Reading the control word on the x87 turns - * out to be about 5 times faster than reading it on the SSE - * unit on an Opteron 244. - */ - __fnstcw(&__control); - return (__control & _ROUND_MASK); -} - -static __inline int -fesetround(int __round) -{ - int __mxcsr, __control; - - if (__round & ~_ROUND_MASK) - return (-1); - - __fnstcw(&__control); - __control &= ~_ROUND_MASK; - __control |= __round; - __fldcw(__control); - - if (__HAS_SSE()) { - __stmxcsr(&__mxcsr); - __mxcsr &= ~(_ROUND_MASK << _SSE_ROUND_SHIFT); - __mxcsr |= __round << _SSE_ROUND_SHIFT; - __ldmxcsr(__mxcsr); - } - - return (0); -} - -int fegetenv(fenv_t *__envp); -int feholdexcept(fenv_t *__envp); - -static __inline int -fesetenv(const fenv_t *__envp) -{ - fenv_t __env = *__envp; - int __mxcsr; - - __mxcsr = __get_mxcsr(__env); - __set_mxcsr(__env, 0xffffffff); - __fldenv(__env); - if (__HAS_SSE()) - __ldmxcsr(__mxcsr); - return (0); -} - -int feupdateenv(const fenv_t *__envp); - -#if __BSD_VISIBLE - -int feenableexcept(int __mask); -int fedisableexcept(int __mask); - -static __inline int -fegetexcept(void) -{ - int __control; - - /* - * We assume that the masks for the x87 and the SSE unit are - * the same. - */ - __fnstcw(&__control); - return (~__control & FE_ALL_EXCEPT); -} - -#endif /* __BSD_VISIBLE */ - -__END_DECLS - -#endif /* !_FENV_H_ */ diff --git a/libm/include/ia64/fenv.h b/libm/include/ia64/fenv.h deleted file mode 100644 index 8c6b65b..0000000 --- a/libm/include/ia64/fenv.h +++ /dev/null @@ -1,242 +0,0 @@ -/*- - * Copyright (c) 2004-2005 David Schultz <das@FreeBSD.ORG> - * All rights reserved. - * - * Redistribution and use in source and binary forms, with or without - * modification, are permitted provided that the following conditions - * are met: - * 1. Redistributions of source code must retain the above copyright - * notice, this list of conditions and the following disclaimer. - * 2. Redistributions in binary form must reproduce the above copyright - * notice, this list of conditions and the following disclaimer in the - * documentation and/or other materials provided with the distribution. - * - * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND - * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE - * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE - * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE - * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL - * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS - * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) - * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT - * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY - * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF - * SUCH DAMAGE. - * - * $FreeBSD: src/lib/msun/ia64/fenv.h,v 1.4 2005/03/16 19:03:45 das Exp $ - */ - -#ifndef _FENV_H_ -#define _FENV_H_ - -#include <sys/_types.h> - -typedef __uint64_t fenv_t; -typedef __uint16_t fexcept_t; - -/* Exception flags */ -#define FE_INVALID 0x01 -#define FE_DENORMAL 0x02 -#define FE_DIVBYZERO 0x04 -#define FE_OVERFLOW 0x08 -#define FE_UNDERFLOW 0x10 -#define FE_INEXACT 0x20 -#define FE_ALL_EXCEPT (FE_DIVBYZERO | FE_DENORMAL | FE_INEXACT | \ - FE_INVALID | FE_OVERFLOW | FE_UNDERFLOW) - -/* Rounding modes */ -#define FE_TONEAREST 0x0000 -#define FE_DOWNWARD 0x0400 -#define FE_UPWARD 0x0800 -#define FE_TOWARDZERO 0x0c00 -#define _ROUND_MASK (FE_TONEAREST | FE_DOWNWARD | \ - FE_UPWARD | FE_TOWARDZERO) - -__BEGIN_DECLS - -/* Default floating-point environment */ -extern const fenv_t __fe_dfl_env; -#define FE_DFL_ENV (&__fe_dfl_env) - -#define _FPUSW_SHIFT 13 - -#define __stfpsr(__r) __asm __volatile("mov %0=ar.fpsr" : "=r" (*(__r))) -#define __ldfpsr(__r) __asm __volatile("mov ar.fpsr=%0;;" : : "r" (__r)) - -static __inline int -feclearexcept(int __excepts) -{ - fenv_t __fpsr; - - __stfpsr(&__fpsr); - __fpsr &= ~((fenv_t)__excepts << _FPUSW_SHIFT); - __ldfpsr(__fpsr); - return (0); -} - -static __inline int -fegetexceptflag(fexcept_t *__flagp, int __excepts) -{ - fenv_t __fpsr; - - __stfpsr(&__fpsr); - *__flagp = (fexcept_t)(__fpsr >> _FPUSW_SHIFT) & __excepts; - return (0); -} - -static __inline int -fesetexceptflag(const fexcept_t *__flagp, int __excepts) -{ - fenv_t __fpsr; - - __stfpsr(&__fpsr); - __fpsr &= ~((fenv_t)__excepts << _FPUSW_SHIFT); - __fpsr |= (fenv_t)(__excepts & *__flagp) << _FPUSW_SHIFT; - __ldfpsr(__fpsr); - return (0); -} - -/* - * It is worthwhile to use the inline version of this function iff it - * is called with arguments that are compile-time constants (due to - * dead code elimination). Unfortunately, gcc isn't smart enough to - * figure this out automatically, and there's no way to tell it. - * We assume that constant arguments will be the common case. - */ -static __inline int -feraiseexcept(int __excepts) -{ - volatile double d; - - /* - * With a compiler that supports the FENV_ACCESS pragma - * properly, simple expressions like '0.0 / 0.0' should - * be sufficient to generate traps. Unfortunately, we - * need to bring a volatile variable into the equation - * to prevent incorrect optimizations. - */ - if (__excepts & FE_INVALID) { - d = 0.0; - d = 0.0 / d; - } - if (__excepts & FE_DIVBYZERO) { - d = 0.0; - d = 1.0 / d; - } - if (__excepts & FE_OVERFLOW) { - d = 0x1.ffp1023; - d *= 2.0; - } - if (__excepts & FE_UNDERFLOW) { - d = 0x1p-1022; - d /= 0x1p1023; - } - if (__excepts & FE_INEXACT) { - d = 0x1p-1022; - d += 1.0; - } - return (0); -} - -static __inline int -fetestexcept(int __excepts) -{ - fenv_t __fpsr; - - __stfpsr(&__fpsr); - return ((__fpsr >> _FPUSW_SHIFT) & __excepts); -} - - -static __inline int -fegetround(void) -{ - fenv_t __fpsr; - - __stfpsr(&__fpsr); - return (__fpsr & _ROUND_MASK); -} - -static __inline int -fesetround(int __round) -{ - fenv_t __fpsr; - - if (__round & ~_ROUND_MASK) - return (-1); - __stfpsr(&__fpsr); - __fpsr &= ~_ROUND_MASK; - __fpsr |= __round; - __ldfpsr(__fpsr); - return (0); -} - -static __inline int -fegetenv(fenv_t *__envp) -{ - - __stfpsr(__envp); - return (0); -} - -static __inline int -feholdexcept(fenv_t *__envp) -{ - fenv_t __fpsr; - - __stfpsr(&__fpsr); - *__envp = __fpsr; - __fpsr &= ~((fenv_t)FE_ALL_EXCEPT << _FPUSW_SHIFT); - __fpsr |= FE_ALL_EXCEPT; - __ldfpsr(__fpsr); - return (0); -} - -static __inline int -fesetenv(const fenv_t *__envp) -{ - - __ldfpsr(*__envp); - return (0); -} - -int feupdateenv(const fenv_t *__envp); - -#if __BSD_VISIBLE - -static __inline int -feenableexcept(int __mask) -{ - fenv_t __newfpsr, __oldfpsr; - - __stfpsr(&__oldfpsr); - __newfpsr = __oldfpsr & ~(__mask & FE_ALL_EXCEPT); - __ldfpsr(__newfpsr); - return (~__oldfpsr & FE_ALL_EXCEPT); -} - -static __inline int -fedisableexcept(int __mask) -{ - fenv_t __newfpsr, __oldfpsr; - - __stfpsr(&__oldfpsr); - __newfpsr = __oldfpsr | (__mask & FE_ALL_EXCEPT); - __ldfpsr(__newfpsr); - return (~__oldfpsr & FE_ALL_EXCEPT); -} - -static __inline int -fegetexcept(void) -{ - fenv_t __fpsr; - - __stfpsr(&__fpsr); - return (~__fpsr & FE_ALL_EXCEPT); -} - -#endif /* __BSD_VISIBLE */ - -__END_DECLS - -#endif /* !_FENV_H_ */ diff --git a/libm/include/math.h b/libm/include/math.h deleted file mode 100644 index ef6a9e6..0000000 --- a/libm/include/math.h +++ /dev/null @@ -1,486 +0,0 @@ -/* - * ==================================================== - * Copyright (C) 1993 by Sun Microsystems, Inc. All rights reserved. - * - * Developed at SunPro, a Sun Microsystems, Inc. business. - * Permission to use, copy, modify, and distribute this - * software is freely granted, provided that this notice - * is preserved. - * ==================================================== - */ - -/* - * from: @(#)fdlibm.h 5.1 93/09/24 - * $FreeBSD: src/lib/msun/src/math.h,v 1.61 2005/04/16 21:12:47 das Exp $ - */ - -#ifndef _MATH_H_ -#define _MATH_H_ - -#include <sys/cdefs.h> -#include <sys/types.h> -#include <limits.h> - -#define __pure2 - -/* - * ANSI/POSIX - */ -extern const union __infinity_un { - unsigned char __uc[8]; - double __ud; -} __infinity; - -extern const union __nan_un { - unsigned char __uc[sizeof(float)]; - float __uf; -} __nan; - -/* #if __GNUC_PREREQ__(3, 3) || (defined(__INTEL_COMPILER) && __INTEL_COMPILER >= 800) */ -#if 1 -#define __MATH_BUILTIN_CONSTANTS -#endif - -/* #if __GNUC_PREREQ__(3, 0) && !defined(__INTEL_COMPILER) */ -#if 1 -#define __MATH_BUILTIN_RELOPS -#endif - -/* #ifdef __MATH_BUILTIN_CONSTANTS */ -#if 1 -#define HUGE_VAL __builtin_huge_val() -#else -#define HUGE_VAL (__infinity.__ud) -#endif - -/* #if __ISO_C_VISIBLE >= 1999 */ -#if 0 -#define FP_ILOGB0 (-__INT_MAX) -#define FP_ILOGBNAN __INT_MAX -#else -#define FP_ILOGB0 (-INT_MAX) -#define FP_ILOGBNAN INT_MAX -#endif - -#ifdef __MATH_BUILTIN_CONSTANTS -#define HUGE_VALF __builtin_huge_valf() -#define HUGE_VALL __builtin_huge_vall() -#define INFINITY __builtin_inf() -#define NAN __builtin_nan("") -#else -#define HUGE_VALF (float)HUGE_VAL -#define HUGE_VALL (long double)HUGE_VAL -#define INFINITY HUGE_VALF -#define NAN (__nan.__uf) -#endif /* __MATH_BUILTIN_CONSTANTS */ - -#define MATH_ERRNO 1 -#define MATH_ERREXCEPT 2 -#define math_errhandling MATH_ERREXCEPT - -/* XXX We need a <machine/math.h>. */ -#if defined(__ia64__) || defined(__sparc64__) -#define FP_FAST_FMA -#endif -#ifdef __ia64__ -#define FP_FAST_FMAL -#endif -#define FP_FAST_FMAF - -/* Symbolic constants to classify floating point numbers. */ -#define FP_INFINITE 0x01 -#define FP_NAN 0x02 -#define FP_NORMAL 0x04 -#define FP_SUBNORMAL 0x08 -#define FP_ZERO 0x10 -#define fpclassify(x) \ - ((sizeof (x) == sizeof (float)) ? __fpclassifyf(x) \ - : (sizeof (x) == sizeof (double)) ? __fpclassifyd(x) \ - : __fpclassifyl(x)) - -#define isfinite(x) \ - ((sizeof (x) == sizeof (float)) ? __isfinitef(x) \ - : (sizeof (x) == sizeof (double)) ? __isfinite(x) \ - : __isfinitel(x)) -#define isinf(x) \ - ((sizeof (x) == sizeof (float)) ? __isinff(x) \ - : (sizeof (x) == sizeof (double)) ? __isinf(x) \ - : __isinfl(x)) -#define isnan(x) \ - ((sizeof (x) == sizeof (float)) ? isnanf(x) \ - : (sizeof (x) == sizeof (double)) ? isnan(x) \ - : __isnanl(x)) -#define isnormal(x) \ - ((sizeof (x) == sizeof (float)) ? __isnormalf(x) \ - : (sizeof (x) == sizeof (double)) ? __isnormal(x) \ - : __isnormall(x)) - -#ifdef __MATH_BUILTIN_RELOPS -#define isgreater(x, y) __builtin_isgreater((x), (y)) -#define isgreaterequal(x, y) __builtin_isgreaterequal((x), (y)) -#define isless(x, y) __builtin_isless((x), (y)) -#define islessequal(x, y) __builtin_islessequal((x), (y)) -#define islessgreater(x, y) __builtin_islessgreater((x), (y)) -#define isunordered(x, y) __builtin_isunordered((x), (y)) -#else -#define isgreater(x, y) (!isunordered((x), (y)) && (x) > (y)) -#define isgreaterequal(x, y) (!isunordered((x), (y)) && (x) >= (y)) -#define isless(x, y) (!isunordered((x), (y)) && (x) < (y)) -#define islessequal(x, y) (!isunordered((x), (y)) && (x) <= (y)) -#define islessgreater(x, y) (!isunordered((x), (y)) && \ - ((x) > (y) || (y) > (x))) -#define isunordered(x, y) (isnan(x) || isnan(y)) -#endif /* __MATH_BUILTIN_RELOPS */ - -#define signbit(x) \ - ((sizeof (x) == sizeof (float)) ? __signbitf(x) \ - : (sizeof (x) == sizeof (double)) ? __signbit(x) \ - : __signbitl(x)) - -#if 0 -typedef __double_t double_t; -typedef __float_t float_t; -#endif -/* #endif */ /* __ISO_C_VISIBLE >= 1999 */ - -/* - * XOPEN/SVID - */ -/* #if __BSD_VISIBLE || __XSI_VISIBLE */ -#define M_E 2.7182818284590452354 /* e */ -#define M_LOG2E 1.4426950408889634074 /* log 2e */ -#define M_LOG10E 0.43429448190325182765 /* log 10e */ -#define M_LN2 0.69314718055994530942 /* log e2 */ -#define M_LN10 2.30258509299404568402 /* log e10 */ -#define M_PI 3.14159265358979323846 /* pi */ -#define M_PI_2 1.57079632679489661923 /* pi/2 */ -#define M_PI_4 0.78539816339744830962 /* pi/4 */ -#define M_1_PI 0.31830988618379067154 /* 1/pi */ -#define M_2_PI 0.63661977236758134308 /* 2/pi */ -#define M_2_SQRTPI 1.12837916709551257390 /* 2/sqrt(pi) */ -#define M_SQRT2 1.41421356237309504880 /* sqrt(2) */ -#define M_SQRT1_2 0.70710678118654752440 /* 1/sqrt(2) */ - -#define MAXFLOAT ((float)3.40282346638528860e+38) -extern int signgam; -/* #endif */ /* __BSD_VISIBLE || __XSI_VISIBLE */ - -#if __BSD_VISIBLE -#if 0 -/* Old value from 4.4BSD-Lite math.h; this is probably better. */ -#define HUGE HUGE_VAL -#else -#define HUGE MAXFLOAT -#endif -#endif /* __BSD_VISIBLE */ - -/* - * Most of these functions depend on the rounding mode and have the side - * effect of raising floating-point exceptions, so they are not declared - * as __pure2. In C99, FENV_ACCESS affects the purity of these functions. - */ -__BEGIN_DECLS -/* - * ANSI/POSIX - */ -int __fpclassifyd(double) __pure2; -int __fpclassifyf(float) __pure2; -int __fpclassifyl(long double) __pure2; -int __isfinitef(float) __pure2; -int __isfinite(double) __pure2; -int __isfinitel(long double) __pure2; -int __isinff(float) __pure2; -int __isinf(double) __pure2; -int __isinfl(long double) __pure2; -int __isnanl(long double) __pure2; -int __isnormalf(float) __pure2; -int __isnormal(double) __pure2; -int __isnormall(long double) __pure2; -int __signbit(double) __pure2; -int __signbitf(float) __pure2; -int __signbitl(long double) __pure2; - -double acos(double); -double asin(double); -double atan(double); -double atan2(double, double); -double cos(double); -double sin(double); -double tan(double); - -double cosh(double); -double sinh(double); -double tanh(double); - -double exp(double); -double frexp(double, int *); /* fundamentally !__pure2 */ -double ldexp(double, int); -double log(double); -double log10(double); -double modf(double, double *); /* fundamentally !__pure2 */ - -double pow(double, double); -double sqrt(double); - -double ceil(double); -double fabs(double) __pure2; -double floor(double); -double fmod(double, double); - -/* - * These functions are not in C90. - */ -/* #if __BSD_VISIBLE || __ISO_C_VISIBLE >= 1999 || __XSI_VISIBLE */ -double acosh(double); -double asinh(double); -double atanh(double); -double cbrt(double); -double erf(double); -double erfc(double); -double exp2(double); -double expm1(double); -double fma(double, double, double); -double hypot(double, double); -int ilogb(double) __pure2; -/* int (isinf)(double) __pure2; */ -int (isnan)(double) __pure2; -double lgamma(double); -long long llrint(double); -long long llround(double); -double log1p(double); -double logb(double); -long lrint(double); -long lround(double); -double nextafter(double, double); -double remainder(double, double); -double remquo(double, double, int *); -double rint(double); -/* #endif */ /* __BSD_VISIBLE || __ISO_C_VISIBLE >= 1999 || __XSI_VISIBLE */ - -/* #if __BSD_VISIBLE || __XSI_VISIBLE */ -double j0(double); -double j1(double); -double jn(int, double); -double scalb(double, double); -double y0(double); -double y1(double); -double yn(int, double); - -/* #if __XSI_VISIBLE <= 500 || __BSD_VISIBLE */ -double gamma(double); -/* #endif */ -/* #endif */ /* __BSD_VISIBLE || __XSI_VISIBLE */ - -/* #if __BSD_VISIBLE || __ISO_C_VISIBLE >= 1999 */ -double copysign(double, double) __pure2; -double fdim(double, double); -double fmax(double, double) __pure2; -double fmin(double, double) __pure2; -double nearbyint(double); -double round(double); -double scalbln(double, long); -double scalbn(double, int); -double tgamma(double); -double trunc(double); -/* #endif */ - -/* - * BSD math library entry points - */ -/* #if __BSD_VISIBLE */ -double drem(double, double); -int finite(double) __pure2; -int isnanf(float) __pure2; - -/* - * Reentrant version of gamma & lgamma; passes signgam back by reference - * as the second argument; user must allocate space for signgam. - */ -double gamma_r(double, int *); -double lgamma_r(double, int *); - -/* - * IEEE Test Vector - */ -double significand(double); -/* #endif */ /* __BSD_VISIBLE */ - -/* float versions of ANSI/POSIX functions */ -/*#if __ISO_C_VISIBLE >= 1999 */ -float acosf(float); -float asinf(float); -float atanf(float); -float atan2f(float, float); -float cosf(float); -float sinf(float); -float tanf(float); - -float coshf(float); -float sinhf(float); -float tanhf(float); - -float exp2f(float); -float expf(float); -float expm1f(float); -float frexpf(float, int *); /* fundamentally !__pure2 */ -int ilogbf(float) __pure2; -float ldexpf(float, int); -float log10f(float); -float log1pf(float); -float logf(float); -float modff(float, float *); /* fundamentally !__pure2 */ - -float powf(float, float); -float sqrtf(float); - -float ceilf(float); -float fabsf(float) __pure2; -float floorf(float); -float fmodf(float, float); -float roundf(float); - -float erff(float); -float erfcf(float); -float hypotf(float, float); -float lgammaf(float); - -float acoshf(float); -float asinhf(float); -float atanhf(float); -float cbrtf(float); -float logbf(float); -float copysignf(float, float) __pure2; -long long llrintf(float); -long long llroundf(float); -long lrintf(float); -long lroundf(float); -float nearbyintf(float); -float nextafterf(float, float); -float remainderf(float, float); -float remquof(float, float, int *); -float rintf(float); -float scalblnf(float, long); -float scalbnf(float, int); -float truncf(float); - -float fdimf(float, float); -float fmaf(float, float, float); -float fmaxf(float, float) __pure2; -float fminf(float, float) __pure2; -/* #endif */ - -/* - * float versions of BSD math library entry points - */ -/* #if __BSD_VISIBLE */ -float dremf(float, float); -int finitef(float) __pure2; -float gammaf(float); -float j0f(float); -float j1f(float); -float jnf(int, float); -float scalbf(float, float); -float y0f(float); -float y1f(float); -float ynf(int, float); - -/* - * Float versions of reentrant version of gamma & lgamma; passes - * signgam back by reference as the second argument; user must - * allocate space for signgam. - */ -float gammaf_r(float, int *); -float lgammaf_r(float, int *); - -/* - * float version of IEEE Test Vector - */ -float significandf(float); -/* #endif */ /* __BSD_VISIBLE */ - -/* - * long double versions of ISO/POSIX math functions - */ -/* #if __ISO_C_VISIBLE >= 1999 */ -#if 0 -long double acoshl(long double); -long double acosl(long double); -long double asinhl(long double); -long double asinl(long double); -long double atan2l(long double, long double); -long double atanhl(long double); -long double atanl(long double); -long double cbrtl(long double); -#endif -long double ceill(long double); -long double copysignl(long double, long double) __pure2; -#if 0 -long double coshl(long double); -long double cosl(long double); -long double erfcl(long double); -long double erfl(long double); -long double exp2l(long double); -long double expl(long double); -long double expm1l(long double); -#endif -long double fabsl(long double) __pure2; -long double fdiml(long double, long double); -long double floorl(long double); -long double fmal(long double, long double, long double); -long double fmaxl(long double, long double) __pure2; -long double fminl(long double, long double) __pure2; -#if 0 -long double fmodl(long double, long double); -#endif -long double frexpl(long double value, int *); /* fundamentally !__pure2 */ -#if 0 -long double hypotl(long double, long double); -#endif -int ilogbl(long double) __pure2; -long double ldexpl(long double, int); -#if 0 -long double lgammal(long double); -long long llrintl(long double); -#endif -long long llroundl(long double); -#if 0 -long double log10l(long double); -long double log1pl(long double); -long double log2l(long double); -long double logbl(long double); -long double logl(long double); -long lrintl(long double); -#endif -long lroundl(long double); -#if 0 -long double modfl(long double, long double *); /* fundamentally !__pure2 */ -long double nanl(const char *) __pure2; -long double nearbyintl(long double); -#endif -long double nextafterl(long double, long double); -double nexttoward(double, long double); -float nexttowardf(float, long double); -long double nexttowardl(long double, long double); -#if 0 -long double powl(long double, long double); -long double remainderl(long double, long double); -long double remquol(long double, long double, int *); -long double rintl(long double); -#endif -long double roundl(long double); -long double scalblnl(long double, long); -long double scalbnl(long double, int); -#if 0 -long double sinhl(long double); -long double sinl(long double); -long double sqrtl(long double); -long double tanhl(long double); -long double tanl(long double); -long double tgammal(long double); -#endif -long double truncl(long double); - -/* #endif */ /* __ISO_C_VISIBLE >= 1999 */ -__END_DECLS - -#endif /* !_MATH_H_ */ diff --git a/libm/include/powerpc/fenv.h b/libm/include/powerpc/fenv.h deleted file mode 100644 index 3fd2389..0000000 --- a/libm/include/powerpc/fenv.h +++ /dev/null @@ -1,263 +0,0 @@ -/*- - * Copyright (c) 2004-2005 David Schultz <das@FreeBSD.ORG> - * All rights reserved. - * - * Redistribution and use in source and binary forms, with or without - * modification, are permitted provided that the following conditions - * are met: - * 1. Redistributions of source code must retain the above copyright - * notice, this list of conditions and the following disclaimer. - * 2. Redistributions in binary form must reproduce the above copyright - * notice, this list of conditions and the following disclaimer in the - * documentation and/or other materials provided with the distribution. - * - * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND - * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE - * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE - * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE - * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL - * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS - * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) - * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT - * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY - * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF - * SUCH DAMAGE. - * - * $FreeBSD: src/lib/msun/powerpc/fenv.h,v 1.3 2005/03/16 19:03:45 das Exp $ - */ - -#ifndef _FENV_H_ -#define _FENV_H_ - -#include <sys/_types.h> - -typedef __uint32_t fenv_t; -typedef __uint32_t fexcept_t; - -/* Exception flags */ -#define FE_INEXACT 0x02000000 -#define FE_DIVBYZERO 0x04000000 -#define FE_UNDERFLOW 0x08000000 -#define FE_OVERFLOW 0x10000000 -#define FE_INVALID 0x20000000 /* all types of invalid FP ops */ - -/* - * The PowerPC architecture has extra invalid flags that indicate the - * specific type of invalid operation occurred. These flags may be - * tested, set, and cleared---but not masked---separately. All of - * these bits are cleared when FE_INVALID is cleared, but only - * FE_VXSOFT is set when FE_INVALID is explicitly set in software. - */ -#define FE_VXCVI 0x00000100 /* invalid integer convert */ -#define FE_VXSQRT 0x00000200 /* square root of a negative */ -#define FE_VXSOFT 0x00000400 /* software-requested exception */ -#define FE_VXVC 0x00080000 /* ordered comparison involving NaN */ -#define FE_VXIMZ 0x00100000 /* inf * 0 */ -#define FE_VXZDZ 0x00200000 /* 0 / 0 */ -#define FE_VXIDI 0x00400000 /* inf / inf */ -#define FE_VXISI 0x00800000 /* inf - inf */ -#define FE_VXSNAN 0x01000000 /* operation on a signalling NaN */ -#define FE_ALL_INVALID (FE_VXCVI | FE_VXSQRT | FE_VXSOFT | FE_VXVC | \ - FE_VXIMZ | FE_VXZDZ | FE_VXIDI | FE_VXISI | \ - FE_VXSNAN | FE_INVALID) -#define FE_ALL_EXCEPT (FE_DIVBYZERO | FE_INEXACT | \ - FE_ALL_INVALID | FE_OVERFLOW | FE_UNDERFLOW) - -/* Rounding modes */ -#define FE_TONEAREST 0x0000 -#define FE_TOWARDZERO 0x0001 -#define FE_UPWARD 0x0002 -#define FE_DOWNWARD 0x0003 -#define _ROUND_MASK (FE_TONEAREST | FE_DOWNWARD | \ - FE_UPWARD | FE_TOWARDZERO) - -__BEGIN_DECLS - -/* Default floating-point environment */ -extern const fenv_t __fe_dfl_env; -#define FE_DFL_ENV (&__fe_dfl_env) - -/* We need to be able to map status flag positions to mask flag positions */ -#define _FPUSW_SHIFT 22 -#define _ENABLE_MASK ((FE_DIVBYZERO | FE_INEXACT | FE_INVALID | \ - FE_OVERFLOW | FE_UNDERFLOW) >> _FPUSW_SHIFT) - -#define __mffs(__env) __asm __volatile("mffs %0" : "=f" (*(__env))) -#define __mtfsf(__env) __asm __volatile("mtfsf 255,%0" : : "f" (__env)) - -union __fpscr { - double __d; - struct { - __uint32_t __junk; - fenv_t __reg; - } __bits; -}; - -static __inline int -feclearexcept(int __excepts) -{ - union __fpscr __r; - - if (__excepts & FE_INVALID) - __excepts |= FE_ALL_INVALID; - __mffs(&__r.__d); - __r.__bits.__reg &= ~__excepts; - __mtfsf(__r.__d); - return (0); -} - -static __inline int -fegetexceptflag(fexcept_t *__flagp, int __excepts) -{ - union __fpscr __r; - - __mffs(&__r.__d); - *__flagp = __r.__bits.__reg & __excepts; - return (0); -} - -static __inline int -fesetexceptflag(const fexcept_t *__flagp, int __excepts) -{ - union __fpscr __r; - - if (__excepts & FE_INVALID) - __excepts |= FE_ALL_EXCEPT; - __mffs(&__r.__d); - __r.__bits.__reg &= ~__excepts; - __r.__bits.__reg |= *__flagp & __excepts; - __mtfsf(__r.__d); - return (0); -} - -static __inline int -feraiseexcept(int __excepts) -{ - union __fpscr __r; - - if (__excepts & FE_INVALID) - __excepts |= FE_VXSOFT; - __mffs(&__r.__d); - __r.__bits.__reg |= __excepts; - __mtfsf(__r.__d); - return (0); -} - -static __inline int -fetestexcept(int __excepts) -{ - union __fpscr __r; - - __mffs(&__r.__d); - return (__r.__bits.__reg & __excepts); -} - -static __inline int -fegetround(void) -{ - union __fpscr __r; - - __mffs(&__r.__d); - return (__r.__bits.__reg & _ROUND_MASK); -} - -static __inline int -fesetround(int __round) -{ - union __fpscr __r; - - if (__round & ~_ROUND_MASK) - return (-1); - __mffs(&__r.__d); - __r.__bits.__reg &= ~_ROUND_MASK; - __r.__bits.__reg |= __round; - __mtfsf(__r.__d); - return (0); -} - -static __inline int -fegetenv(fenv_t *__envp) -{ - union __fpscr __r; - - __mffs(&__r.__d); - *__envp = __r.__bits.__reg; - return (0); -} - -static __inline int -feholdexcept(fenv_t *__envp) -{ - union __fpscr __r; - - __mffs(&__r.__d); - *__envp = __r.__d; - __r.__bits.__reg &= ~(FE_ALL_EXCEPT | _ENABLE_MASK); - __mtfsf(__r.__d); - return (0); -} - -static __inline int -fesetenv(const fenv_t *__envp) -{ - union __fpscr __r; - - __r.__bits.__reg = *__envp; - __mtfsf(__r.__d); - return (0); -} - -static __inline int -feupdateenv(const fenv_t *__envp) -{ - union __fpscr __r; - - __mffs(&__r.__d); - __r.__bits.__reg &= FE_ALL_EXCEPT; - __r.__bits.__reg |= *__envp; - __mtfsf(__r.__d); - return (0); -} - -#if __BSD_VISIBLE - -static __inline int -feenableexcept(int __mask) -{ - union __fpscr __r; - fenv_t __oldmask; - - __mffs(&__r.__d); - __oldmask = __r.__bits.__reg; - __r.__bits.__reg |= (__mask & FE_ALL_EXCEPT) >> _FPUSW_SHIFT; - __mtfsf(__r.__d); - return ((__oldmask & _ENABLE_MASK) << _FPUSW_SHIFT); -} - -static __inline int -fedisableexcept(int __mask) -{ - union __fpscr __r; - fenv_t __oldmask; - - __mffs(&__r.__d); - __oldmask = __r.__bits.__reg; - __r.__bits.__reg &= ~((__mask & FE_ALL_EXCEPT) >> _FPUSW_SHIFT); - __mtfsf(__r.__d); - return ((__oldmask & _ENABLE_MASK) << _FPUSW_SHIFT); -} - -static __inline int -fegetexcept(void) -{ - union __fpscr __r; - - __mffs(&__r.__d); - return ((__r.__bits.__reg & _ENABLE_MASK) << _FPUSW_SHIFT); -} - -#endif /* __BSD_VISIBLE */ - -__END_DECLS - -#endif /* !_FENV_H_ */ diff --git a/libm/include/sparc64/fenv.h b/libm/include/sparc64/fenv.h deleted file mode 100644 index 684c4a2..0000000 --- a/libm/include/sparc64/fenv.h +++ /dev/null @@ -1,254 +0,0 @@ -/*- - * Copyright (c) 2004-2005 David Schultz <das@FreeBSD.ORG> - * All rights reserved. - * - * Redistribution and use in source and binary forms, with or without - * modification, are permitted provided that the following conditions - * are met: - * 1. Redistributions of source code must retain the above copyright - * notice, this list of conditions and the following disclaimer. - * 2. Redistributions in binary form must reproduce the above copyright - * notice, this list of conditions and the following disclaimer in the - * documentation and/or other materials provided with the distribution. - * - * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND - * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE - * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE - * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE - * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL - * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS - * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) - * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT - * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY - * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF - * SUCH DAMAGE. - * - * $FreeBSD: src/lib/msun/sparc64/fenv.h,v 1.3 2005/03/16 19:03:46 das Exp $ - */ - -#ifndef _FENV_H_ -#define _FENV_H_ - -#include <sys/_types.h> - -typedef __uint64_t fenv_t; -typedef __uint64_t fexcept_t; - -/* Exception flags */ -#define FE_INVALID 0x00000200 -#define FE_DIVBYZERO 0x00000040 -#define FE_OVERFLOW 0x00000100 -#define FE_UNDERFLOW 0x00000080 -#define FE_INEXACT 0x00000020 -#define FE_ALL_EXCEPT (FE_DIVBYZERO | FE_INEXACT | \ - FE_INVALID | FE_OVERFLOW | FE_UNDERFLOW) - -/* - * Rounding modes - * - * We can't just use the hardware bit values here, because that would - * make FE_UPWARD and FE_DOWNWARD negative, which is not allowed. - */ -#define FE_TONEAREST 0x0 -#define FE_TOWARDZERO 0x1 -#define FE_UPWARD 0x2 -#define FE_DOWNWARD 0x3 -#define _ROUND_MASK (FE_TONEAREST | FE_DOWNWARD | \ - FE_UPWARD | FE_TOWARDZERO) -#define _ROUND_SHIFT 30 - -__BEGIN_DECLS - -/* Default floating-point environment */ -extern const fenv_t __fe_dfl_env; -#define FE_DFL_ENV (&__fe_dfl_env) - -/* We need to be able to map status flag positions to mask flag positions */ -#define _FPUSW_SHIFT 18 -#define _ENABLE_MASK (FE_ALL_EXCEPT << _FPUSW_SHIFT) - -#define __ldxfsr(__r) __asm __volatile("ldx %0, %%fsr" : : "m" (__r)) -#define __stxfsr(__r) __asm __volatile("stx %%fsr, %0" : "=m" (*(__r))) - -static __inline int -feclearexcept(int __excepts) -{ - fexcept_t __r; - - __stxfsr(&__r); - __r &= ~__excepts; - __ldxfsr(__r); - return (0); -} - -static __inline int -fegetexceptflag(fexcept_t *__flagp, int __excepts) -{ - fexcept_t __r; - - __stxfsr(&__r); - *__flagp = __r & __excepts; - return (0); -} - -static __inline int -fesetexceptflag(const fexcept_t *__flagp, int __excepts) -{ - fexcept_t __r; - - __stxfsr(&__r); - __r &= ~__excepts; - __r |= *__flagp & __excepts; - __ldxfsr(__r); - return (0); -} - -/* - * In contrast with the ia64 platform, it seems to be worthwhile to - * inline this function on sparc64 even when the arguments are not - * compile-time constants. Perhaps this depends on the register window. - */ -static __inline int -feraiseexcept(int __excepts) -{ - volatile double d; - - /* - * With a compiler that supports the FENV_ACCESS pragma - * properly, simple expressions like '0.0 / 0.0' should - * be sufficient to generate traps. Unfortunately, we - * need to bring a volatile variable into the equation - * to prevent incorrect optimizations. - */ - if (__excepts & FE_INVALID) { - d = 0.0; - d = 0.0 / d; - } - if (__excepts & FE_DIVBYZERO) { - d = 0.0; - d = 1.0 / d; - } - if (__excepts & FE_OVERFLOW) { - d = 0x1.ffp1023; - d *= 2.0; - } - if (__excepts & FE_UNDERFLOW) { - d = 0x1p-1022; - d /= 0x1p1023; - } - if (__excepts & FE_INEXACT) { - d = 0x1p-1022; - d += 1.0; - } - return (0); -} - -static __inline int -fetestexcept(int __excepts) -{ - fexcept_t __r; - - __stxfsr(&__r); - return (__r & __excepts); -} - -static __inline int -fegetround(void) -{ - fenv_t __r; - - __stxfsr(&__r); - return ((__r >> _ROUND_SHIFT) & _ROUND_MASK); -} - -static __inline int -fesetround(int __round) -{ - fenv_t __r; - - if (__round & ~_ROUND_MASK) - return (-1); - __stxfsr(&__r); - __r &= ~(_ROUND_MASK << _ROUND_SHIFT); - __r |= __round << _ROUND_SHIFT; - __ldxfsr(__r); - return (0); -} - -static __inline int -fegetenv(fenv_t *__envp) -{ - - __stxfsr(__envp); - return (0); -} - -static __inline int -feholdexcept(fenv_t *__envp) -{ - fenv_t __r; - - __stxfsr(&__r); - *__envp = __r; - __r &= ~(FE_ALL_EXCEPT | _ENABLE_MASK); - __ldxfsr(__r); - return (0); -} - -static __inline int -fesetenv(const fenv_t *__envp) -{ - - __ldxfsr(*__envp); - return (0); -} - -static __inline int -feupdateenv(const fenv_t *__envp) -{ - fexcept_t __r; - - __stxfsr(&__r); - __ldxfsr(*__envp); - feraiseexcept(__r & FE_ALL_EXCEPT); - return (0); -} - -#if __BSD_VISIBLE - -static __inline int -feenableexcept(int __mask) -{ - fenv_t __old_r, __new_r; - - __stxfsr(&__old_r); - __new_r = __old_r | ((__mask & FE_ALL_EXCEPT) << _FPUSW_SHIFT); - __ldxfsr(__new_r); - return ((__old_r >> _FPUSW_SHIFT) & FE_ALL_EXCEPT); -} - -static __inline int -fedisableexcept(int __mask) -{ - fenv_t __old_r, __new_r; - - __stxfsr(&__old_r); - __new_r = __old_r & ~((__mask & FE_ALL_EXCEPT) << _FPUSW_SHIFT); - __ldxfsr(__new_r); - return ((__old_r >> _FPUSW_SHIFT) & FE_ALL_EXCEPT); -} - -static __inline int -fegetexcept(void) -{ - fenv_t __r; - - __stxfsr(&__r); - return ((__r & _ENABLE_MASK) >> _FPUSW_SHIFT); -} - -#endif /* __BSD_VISIBLE */ - -__END_DECLS - -#endif /* !_FENV_H_ */ |